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* [merged] checkpatch-add-printk_once-and-printk_ratelimit-to-prefer-pr_level-warning.patch removed from -mm tree
@ 2020-12-16 17:10 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2020-12-16 17:10 UTC (permalink / raw)
  To: joe, mm-commits


The patch titled
     Subject: checkpatch: add printk_once and printk_ratelimit to prefer pr_<level> warning
has been removed from the -mm tree.  Its filename was
     checkpatch-add-printk_once-and-printk_ratelimit-to-prefer-pr_level-warning.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Joe Perches <joe@perches.com>
Subject: checkpatch: add printk_once and printk_ratelimit to prefer pr_<level> warning

Add the _once and _ratelimited variants to the test for
printk(KERN_<LEVEL> that should prefer pr_<level>.

Miscellanea:

o Add comment description for the conversions

[joe@perches.com: fixlet]
  Link: https://lkml.kernel.org/r/32260871d4718ba7f48a8e9e07452bb76de300db.camel@perches.comLink: https://lkml.kernel.org/r/993b72b2ef91a57c5e725b52971ce3fd31375061.camel@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 scripts/checkpatch.pl |   13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

--- a/scripts/checkpatch.pl~checkpatch-add-printk_once-and-printk_ratelimit-to-prefer-pr_level-warning
+++ a/scripts/checkpatch.pl
@@ -4543,16 +4543,23 @@ sub process {
 			     "printk() should include KERN_<LEVEL> facility level\n" . $herecurr);
 		}
 
-		if ($line =~ /\bprintk\s*\(\s*KERN_([A-Z]+)/) {
-			my $orig = $1;
+# prefer variants of (subsystem|netdev|dev|pr)_<level> to printk(KERN_<LEVEL>
+		if ($line =~ /\b(printk(_once|_ratelimited)?)\s*\(\s*KERN_([A-Z]+)/) {
+			my $printk = $1;
+			my $modifier = $2;
+			my $orig = $3;
+			$modifier = "" if (!defined($modifier));
 			my $level = lc($orig);
 			$level = "warn" if ($level eq "warning");
 			my $level2 = $level;
 			$level2 = "dbg" if ($level eq "debug");
+			$level .= $modifier;
+			$level2 .= $modifier;
 			WARN("PREFER_PR_LEVEL",
-			     "Prefer [subsystem eg: netdev]_$level2([subsystem]dev, ... then dev_$level2(dev, ... then pr_$level(...  to printk(KERN_$orig ...\n" . $herecurr);
+			     "Prefer [subsystem eg: netdev]_$level2([subsystem]dev, ... then dev_$level2(dev, ... then pr_$level(...  to $printk(KERN_$orig ...\n" . $herecurr);
 		}
 
+# prefer dev_<level> to dev_printk(KERN_<LEVEL>
 		if ($line =~ /\bdev_printk\s*\(\s*KERN_([A-Z]+)/) {
 			my $orig = $1;
 			my $level = lc($orig);
_

Patches currently in -mm which might be from joe@perches.com are



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2020-12-16 17:10 [merged] checkpatch-add-printk_once-and-printk_ratelimit-to-prefer-pr_level-warning.patch removed from -mm tree akpm

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